These entries are queried from radb.net using whois, you can try my project getting these.
:AS-KTTK as-set: AS-KTTK descr: Kavkaz-Transtelecom CUSTOMERS AS list remarks: ==================== remarks: CUSTOMERS AS remarks: ==================== members: AS20870 members: AS197204 members: AS39718 members: AS49664 members: AS211241 members: AS51133 members: AS51351 members: AS51624 members: AS197349 members: AS59416 members: AS198758 members: AS58257 members: AS58230 members: AS49665 members: AS199908 members: AS57244 members: AS58217 members: AS39740 members: AS203199 members: AS56621 members: AS15774 members: AS200802 members: AS51200 members: AS49108 members: AS16094 members: AS211616 members: AS197349 remarks: ==================== remarks: CUSTOMERS AS-SET remarks: ==================== members: AS-TELEMAKS members: AS-MIRTEL members: AS-SOCHI-ONLINE members: AS43429:AS-UNITLINERST members: AS-TELTEL-BLRCH members: AS-BISV members: AS-TELECLUB members: AS-TELTEL members: AS-TS1 members: AS-STM-NVR members: AS-B2BTELECOM tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: KTTKNET-MNT notify: bill [at] kavkaz.ttk.ru notify: kavkaz_iptech [at] kavkaz.ttk.ru created: 1970-01-01T00:00:00Z last-modified: 2021-09-06T08:06:05Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: ****************************